20618616984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1091}}^1$

素因数の和:1270

約数の個数: 256

約数和(自身を含む): 63301754880

約数和(自身を除く): 42683137896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 67, 69, 73, 84, 92, 134, 138, 146, 161, 168, 184, 201, 219, 268, 276, 292, 322, 402, 438, 469, 483, 511, 536, 552, 584, 644, 804, 876, 938, 966, 1022, 1091, 1288, 1407, 1533, 1541, 1608, 1679, 1752, 1876, 1932, 2044, 2182, 2814, 3066, 3082, 3273, 3358, 3752, 3864, 4088, 4364, 4623, 4891, 5037, 5628, 6132, 6164, 6546, 6716, 7637, 8728, 9246, 9782, 10074, 10787, 11256, 11753, 12264, 12328, 13092, 13432, 14673, 15274, 18492, 19564, 20148, 21574, 22911, 23506, 25093, 26184, 29346, 30548, 32361, 34237, 35259, 36984, 39128, 40296, 43148, 45822, 47012, 50186, 58692, 61096, 64722, 68474, 70518, 73097, 75279, 79643, 86296, 91644, 94024, 100372, 102711, 112493, 117384, 129444, 136948, 141036, 146194, 150558, 159286, 175651, 183288, 200744, 205422, 219291, 224986, 238929, 258888, 273896, 282072, 292388, 301116, 318572, 337479, 351302, 410844, 438582, 449972, 477858, 511679, 526953, 557501, 584776, 602232, 637144, 674958, 702604, 787451, 821688, 877164, 899944, 955716, 1023358, 1053906, 1115002, 1349916, 1405208, 1535037, 1574902, 1672503, 1681231, 1754328, 1831789, 1911432, 2046716, 2107812, 2230004, 2362353, 2699832, 3070074, 3149804, 3345006, 3362462, 3663578, 4093432, 4215624, 4460008, 4724706, 5043693, 5336081, 5495367, 6140148, 6299608, 6690012, 6724924, 7327156, 9449412, 10087386, 10672162, 10990734, 11768617, 12280296, 12822523, 13380024, 13449848, 14654312, 16008243, 18898824, 20174772, 21344324, 21981468, 23537234, 25645046, 32016486, 35305851, 37352567, 38467569, 40349544, 42688648, 43962936, 47074468, 51290092, 64032972, 70611702, 74705134, 76935138, 94148936, 102580184, 112057701, 122729863, 128065944, 141223404, 149410268, 153870276, 224115402, 245459726, 282446808, 298820536, 307740552, 368189589, 448230804, 490919452, 736379178, 859109041, 896461608, 981838904, 1472758356, 1718218082, 2577327123, 2945516712, 3436436164, 5154654246, 6872872328, 10309308492, 20618616984]

約数ペア:

[(1, 20618616984), (2, 10309308492), (3, 6872872328), (4, 5154654246), (6, 3436436164), (7, 2945516712), (8, 2577327123), (12, 1718218082), (14, 1472758356), (21, 981838904), (23, 896461608), (24, 859109041), (28, 736379178), (42, 490919452), (46, 448230804), (56, 368189589), (67, 307740552), (69, 298820536), (73, 282446808), (84, 245459726), (92, 224115402), (134, 153870276), (138, 149410268), (146, 141223404), (161, 128065944), (168, 122729863), (184, 112057701), (201, 102580184), (219, 94148936), (268, 76935138), (276, 74705134), (292, 70611702), (322, 64032972), (402, 51290092), (438, 47074468), (469, 43962936), (483, 42688648), (511, 40349544), (536, 38467569), (552, 37352567), (584, 35305851), (644, 32016486), (804, 25645046), (876, 23537234), (938, 21981468), (966, 21344324), (1022, 20174772), (1091, 18898824), (1288, 16008243), (1407, 14654312), (1533, 13449848), (1541, 13380024), (1608, 12822523), (1679, 12280296), (1752, 11768617), (1876, 10990734), (1932, 10672162), (2044, 10087386), (2182, 9449412), (2814, 7327156), (3066, 6724924), (3082, 6690012), (3273, 6299608), (3358, 6140148), (3752, 5495367), (3864, 5336081), (4088, 5043693), (4364, 4724706), (4623, 4460008), (4891, 4215624), (5037, 4093432), (5628, 3663578), (6132, 3362462), (6164, 3345006), (6546, 3149804), (6716, 3070074), (7637, 2699832), (8728, 2362353), (9246, 2230004), (9782, 2107812), (10074, 2046716), (10787, 1911432), (11256, 1831789), (11753, 1754328), (12264, 1681231), (12328, 1672503), (13092, 1574902), (13432, 1535037), (14673, 1405208), (15274, 1349916), (18492, 1115002), (19564, 1053906), (20148, 1023358), (21574, 955716), (22911, 899944), (23506, 877164), (25093, 821688), (26184, 787451), (29346, 702604), (30548, 674958), (32361, 637144), (34237, 602232), (35259, 584776), (36984, 557501), (39128, 526953), (40296, 511679), (43148, 477858), (45822, 449972), (47012, 438582), (50186, 410844), (58692, 351302), (61096, 337479), (64722, 318572), (68474, 301116), (70518, 292388), (73097, 282072), (75279, 273896), (79643, 258888), (86296, 238929), (91644, 224986), (94024, 219291), (100372, 205422), (102711, 200744), (112493, 183288), (117384, 175651), (129444, 159286), (136948, 150558), (141036, 146194)]